Part 1: complete the operations geometrically. vector operations to draw the resultant vector draw 2u + 4v.
1 answer:
Vectors are elements of the vector space, and they can be illustrated by diagrams.
<h3>How to draw the vector 2u + 4v?</h3>The vector expression is given as:
2u + 4v
Split the vector expressions, as follows:
y1 = 2u
y2 = 4v
Next, we have:
y = y1 + y2
See the attachment for the graph of 2u + 4v.
Read more about vectors at:
#SPJ1
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Using the normal distribution, it is found that the correct option is:
- D. 1; 100
In a <em>normal distribution</em> with mean and standard deviation
, the z-score of a measure X is given by:
- It measures how many standard deviations the measure is from the mean.
In this problem:
- The mean on the Wechsler Scale is of 100, hence
.
- The standard deviation is of 17, hence
.
- Brianna had an score of 117, hence
Then:
Hence, the option d is correct.
To learn more about the normal distribution, you can check brainly.com/question/24663213